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Bearing Cross Reference and Bearing Interchange

Here is a bunch of bearing cross reference material to help you find what you are looking for. Much of this information was harvested from the NSK, Timken/Torrington, and McMaster-Carr websites.

Bearing Cross Reference for SKF, FAG, INA, Timken, NSK, NTN, Nachi, Koyo, IKO, FAFNIR, TORRINGTON and others.

There are several live online beairng cross reference / bearing interchange website help you check online.

http://www.ntnamerica.com/products/part-interchange-search

http://www.tec.nsk.com/termsofuse.asp?frombrgic=1

http://www.consbrgs.com/index3.html

The following is some bearing cross reference & bearing interchange you can dowload:

Timken bearing cross refrence & beairng interchange

http://www.timken.com/en-us/products/Documents/Timken_Bearing_Cross_Reference_Guide.pdf

http://www.timken.com/en-us/products/Documents/Timken_Seal_Cross_Reference_Guide.pdf

SKF bearing cross refrence & beairng interchange

SKF Bearing Interchange

SKF Bearings Master Interchange

Ball bearing cross-references guide

Beairng Interchange-Bearing Cross Reference Chart / Table - Single Row Deep Groove Ball Bearings

  Description NSK SKF Torr / Faf FAG MRC
P/N Inch Rxx Rxx Sxx Rxx Rxx
Extra small 6xx 6xx 3x 6xx 3x
Extra light 60xx 60xx 91xxK 60xx 1xxK
Light 62xx 62xx 2xx 62xx 2xxS
Medium 63xx 63xx 3xx 63xx 3xxS
Extra thin section 68xx 618xx -- 618xx --
Very thin section 69xx 619xx 93xxK 619xx --
Thin section 16xxx 16xxx -- 16xxx --
Maximum capacity, light BL2xx 2xx 2xxW 2xx 2xxM
Maximum capacity, medium BL3xx 3xx 3xxW 3xx 3xxM
Suffix Two seals (contact) DDU 2RS PP 2RSR ZZ
One seal (contact) DU RS P RSR Z
Two shields ZZ 2Z DD 2ZR FF
One shield Z Z D ZR F
Snap ring NR NR G NR G
Steel cage BLANK J BLANK BLANK BLANK
Brass Cage M M MBR M BRZ
Heat stabilized 200C X28 S1 -- S1 --
Tight clearance C2 C2 H C2 Tight
Normal clearance BLANK BLANK R BLANK Normal
Loose clearance C3 EM(C3) P C3 Loose
Extra loose clearance C4 C4 J C4 Extra Loose
Electric motor grade E QE6 -- -- --

Beairng Interchange-Bearing Cross Reference Chart / Table -  Double Row Ball Bearings

  Description NSK SKF Torr / Faf MRC
P/N Self-aligning, extra narrow 12xx 12xx -- --
Self-aligning, narrow 133xx 13xx -- --
Self-aligning, wide 22xx 22xx -- --
Self-aligning, extra wide 23xx 23xx -- --
Double row, maximum compliment, light 32xx 52xxE 52xxW 52xxM (K)
Double row, max. compliment, medium 33xx 53xxE 53xxW 53xxM (K)
Double row, conrad, light 52xx 52xxA 52xxK 52xxC(SBK)
Double row, conrad, medium 53xx 53xxA 53xxK 53xxC (SB)
Suffix Two seals 2RS 2RS1 -- --
Two shields ZZ 2Z -- FF
Snap ring NR NR G G
polyamide cage TNG TN9 pRB --
Steel cage J BLANK BLANK BLANK
Tapered bore K K -- --
Extra capacity E E -- --
Tight clearance C2 C2 H C2
Normal clearance BLANK BLANK R BLANK
Loose clearance C3 C3 p C3
Extra loose clearance C4 C4 J C4

Beairng Interchange-Bearing Cross Reference Chart / Table -  Angular Contact (ABEC 1 & 3) Ball Bearings

  Description NSK SKF Torr / Faf FAG MRC
P/N Light 72xx 72xx 72xx 72xx 72xx
Medium 73xx 73xx 73xx 73xx 73xx
Heavy 74xx 74xx 74xx 74xx 74xx
Suffix 40 deg. contact B B WN B pJ
30 deg. contact A -- -- -- BLANK
25 deg. contact A5 ACD -- E --
15 deg. contact C CD -- C R
Machined brass cage M M MBR Mp BRZ
pressed brass cage Y Y BLANK Yp --
polyamide cage TY p pRC TVp BKE
Steel cage W J -- Jp BLANK
Flush ground faces G G BLANK UO,UA DU
petrochemical BMpC BECBM -- -- pumppac*

Roller bearing cross-references guide

Beairng Interchange-Bearing Cross Reference Chart / Table -  Cylindrical Roller Bearings

  Description NSK SKF FAG
Prefix Single row, no flanges on outer ring N N N
Single row, no flanges on inner ring NU NU NU
Single row, 1 flange inner NJ NJ NJ
Single row, 1 flange outer NF NF --
Single row, 1 flange inner, with retaining ring NUP NUP NUP
Single row, 1 flange inner w/stabilizing ring NH NH NH
Double row, flanges outer/flanges inner HJ HJ HJ
  NNU/NN NNU/NN NNU/NN
P/N Light 2XX 2XX 2XX
Medium 3XX 3XX 3XX
Heavy 4XX 4XX 4XX
Extra Light 10XX 10XX 10XX
Light, Wide 22XX 22XX 22XX
Medium, Wide 23XX 23XX 23XX
Suffix Ployamide cage T P TVP2
Composite high temp (200°C) cage T7 -- --
Machined brass cage M M M,M1
Pressed steel cage W,WS J JP1
High capacity design E EC E
Full complement (no cage) V V V
Tight clearance C2 C2 C2
Normal clearance BLANK BLANK BLANK
Loose clearance C3 C3 C3
Extra loose clearance C4 C4 C4

Beairng Interchange-Bearing Cross Reference Chart / Table -  Spherical Roller Bearings

  Description NSK SKF Torr/FAF FAG
P/N Very Light 239xx 239xx 239xx 239xx
Light 230xx 230xx 230xx 230xx
Light, Wide 240xx 240xx 240xx 240xx
Medium 231xx 231xx 231xx 231xx
Medium, Wide 241xx 241xx 241xx 241xx
Heavy 222xx 222xx 222xx 222xx
Heavy, Wide 232xx 232xx 232xx 232xx
Extra Heavy 213xx 213xx 213xx 213xx
Extra Heavy, Wide 223xx 223xx 223xx 223xx
Suffix Bronze case, one piece, guide ring CAM,AM CA,CACM YM M
Bronze cage, two piece, guide flange M MC BR MB
Steel cage, two piece, guide ring C,CD CJ,CC CJ, VJ BLANK
Polyamide cage, two piece H -- VCF TVPB
Tapered bore 1:12 K K K K
Tapered bore 1:30 K30 K30 K K30
Carburized steel, complete bearing g ECD W40 W209
Carburized steel, inner ring only g3 ECB W401 W209B
Lube groove & holes outer ring E4 W33 W33 S
Lube groove & holes outer ring, holes inner ring E7 W513 W33W94 Sheading0AB
Holes only outer ring E3 W20 W20 SY
Holes only inner ring E5 W26 W94 heading0AB
No relube features BLANK BLANK BLANK --
Plugs provided for outer ring holes E42 W77 W84 heading0
Combination W33, W4, W31 E4P53 W507 W33W4W31 --
Combination W33, W31 E4U22 W506 W33W31 --
Combination W33, W26, W31 E7U22 W509 W33W94W31 Sheading0A
Outer ring w/extra close running accuracy P52 C04 C04 T52BN
Inner ring w/extra close running accuracy P53 C02 C02 T52BE
Inner & outer ring w/extra close running accuracy P55 C08 C08 T52BW
Special inspection measures U22 W31 W31 --
Inner ring & outer ring heat stabilized to 200°C S11 S1 -- --
Tight clearance C2 C2 C2 C2
Normal clearance BLANK BLANK BLANK BLANK
Loose clearance C3 C3 C3 C3
Extra loose clearance C4 C4 C4 C4

Beairng Interchange-Bearing Cross Reference Chart / Table -  Inch Tapered Roller Bearings

  Description NSK SKF Timken FAG
Prefix Extra heavy EH EH EH KEH
Heavier than heavy HH HH HH KHH
Heavy H H H KH
Heavy medium HM HM HM KHM
Medium M M M KM
Light medium LM LM LM KLM
Light L L L KL
Lighter than light LL LL LL KLL
Extra light EL EL EL KEL
Cup Angle 0° to 23°59'59.99 1xxxx 1xxxx 1xxxx 1xxxx
24° to 25°29'59.99 2xxxx 2xxxx 2xxxx 2xxxx
25°30' to 26°59'59.99 3xxxx 3xxxx 3xxxx 3xxxx
27° to 28°29'59.99 4xxxx 4xxxx 4xxxx 4xxxx
28°30' to 30°29'59.99 5xxxx 5xxxx 5xxxx 5xxxx
30°30' to 32°29'59.99 6xxxx 6xxxx 6xxxx 6xxxx
32°30' to 35°59'59.99 7xxxx 7xxxx 7xxxx 7xxxx
36° to 44°59'59.99 8xxxx 8xxxx 8xxxx 8xxxx
45° up, but not thrust only conforms to AFBMA standard case carburized cup & cone 9xxxx 9xxxx 9xxxx 9xxxx
  R      
  G      

Beairng Interchange-Bearing Cross Reference Chart / Table - Metric Tapered Roller Bearings

Thrust bearing cross-references guide

Beairng Interchange-Bearing Cross Reference Chart / Table -  Ball Thrust Bearings

  Description NSK SKF FAG
P/N Single direction 511xx 511xx 511xx
Single direction 512xx 512xx 512xx
Single direction 513xx 513xx 513xx
Single direction 514xx 514xx 514xx
Single direction with aligning seat 532xx 532xx 532xx
Single direction with aligning seat 533xx 533xx 533xx
Single direction with aligning seat 534xx 534xx 534xx
Double direction 522xx 522xx 522xx
Double direction 523xx 523xx 523xx
Double direction 524xx 524xx 524xx
Double direction with aligning seat 542xx 542xx 542xx
Double direction with aligning seat 543xx 543xx 543xx
Double direction with aligning seat 544xx 544xx 544xx
Suffix Steel cage BLANK J FP
Brass cage M M MP
Boundary dimensions adopted to ISO X -- X
With self-aligning seat washer U U U
ABEC 5 precision class P5 P5 P5

Beairng Interchange-Bearing Cross Reference Chart / Table -  Spherical Thrust Bearings

  Description NSK SKF FAG Torrington
P/N Light 292xx 292xx 292xx 292xx
Medium 293xx 293xx 293xx 293xx
Heavy 294xx 294xx 294xx 294xx
Suffix Steel Cage H EJ E EJ
Brass Cage M M EMB EM

Mounted Bearing Units cross-references guide

  Description NSK SKF Torr/FAF Seal Master
Insert Bearing, tapered bore w/adaptor, relube UK -- -- --
Bearing, set screw, wide ir, relube UC YAR2 GCxxxxKRRB 2-xx
Bearing, set screw, narrow ir, non-relube UB -- -- V
Bearing, ecc locking collar, narrow ir, non-relube EN YET2 GRAxxxxRRB VxxE
Bearing, ecc locking collar, wide ir, relube EW YEL2 GxxxxKRRB R-xxE
Prefix Block, tapped-base with set screw UCPA -- -- TB
Block, with set screw UCP SYxxTM RASC NP
Block, eccentric locking collar, narrow ir ENP SYxxFM VAS VPxxE
Block, eccentric locking collar EWP -- RAS RPxxE
Block, low base with set screw UCPLL -- YAK NPL
Block, low base w/ecc locking collar, narrow ir ENLPL SYHxxFM VAK VPLxxE
Block, low base w/ecc locking collar EWPLL SYHxxWM RAK RPL
Flange, square, with set screw UCF FYxxTM RCJC SF
Flange, square, with set screw UCFX FYMxxTM -- MSF
Flange, square, w/ecc locking collar, narrow ir ENF FYxxFM VCJ VFxxE
Flange, square, w/ecc locking collar EWFH FYxxWM RCJ RFxxE
Flange, oval, with set screw UCFL FYTxxTM RCJTC SFT
Flange, oval, w/ecc locking collar, narrow ir ENFL FYTxxFM VCJT VFTxxE
Flange, oval, w/ecc locking collar EWFLH FYTxxWM RCJT --
Flange, oval, w/ecc locking collar EWFL -- -- RFTxxE
Flange, pressed steel, oval w/set screw UBPFL -- -- SSFT
Flange, pressed steel, oval w/ecc locking collar ENPFL FTPxxFM RAT SSFTxxE
Flange, round, cartridge w/set screw UCFC -- -- SFC
Flange, round, cartridge w/ecc locking collar EWFC -- -- SFCxxE
Flange, offset, 3 bolt w/set screw UCFK -- -- RB
Take-up type T TB RTU RT
P/N Pressed steel cover Z *Y -- AVAIL
Cast iron cover C -- -- --
Standard series, metric 2XX XX XX S-2xx
Medium series, metric 3XX -- -- --
Medium series, metric Xxx Mxx -- 53xx
Standard series, inch (see shaft size chart) 2xx-xxS x-x/x x-x/x -xx
Medium series, inch (see shaft size chart) 3xx-xxS x-x/x x-x/x -xx
Suffix Spherical housing bore tolerance class J7 J      
Inch size set screw in locking device U      
Improved set screw design W    

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